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Comparative Study of Seismic Isolated and Non‐Isolated PECs With Bottom Steel Frames Through Shaking Table Tests.

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Title: Comparative Study of Seismic Isolated and Non‐Isolated PECs With Bottom Steel Frames Through Shaking Table Tests.
Authors: Feng, Yulong1 (AUTHOR), Wang, Tonglong1 (AUTHOR), Jiang, Qing1 (AUTHOR) jiangq@hfut.edu.cn, Chong, Xun1 (AUTHOR), Zeng, Tianshu2 (AUTHOR), Zeng, Zhihao1 (AUTHOR), Yu, Fei1 (AUTHOR)
Source: Structural Design of Tall & Special Buildings. 12/10/2025, Vol. 34 Issue 17, p1-18. 18p.
Subjects: Base isolation system, Rubber bearings, Shaking table tests, Steel framing, Disaster resilience, Electronic equipment enclosures, Electric substations
Abstract: A prefabricated equipment cabin (PEC) with a bottom steel frame is used in actual modular cabin‐type substations for equipment routing and maintenance. In this paper, the installation of lead‐core rubber bearings between the PEC and the frame is proposed to improve the seismic performance and resilience of the PEC. Two structures with bearings and without bearings, that is, a seismic non‐isolated structure and a seismic isolated structure, respectively, were designed and fabricated. Shaking table tests were conducted on the seismic isolated structure with a weak equipment–cabin connection and on two structures with an enhanced equipment–cabin connection in sequence. The test results show that the proposed isolation method can effectively reduce the seismic response of the PEC, including the acceleration and strain of the prefabricated cabin and the acceleration and displacement of the equipment. The proposed enhanced equipment–cabin connection can reduce the acceleration and displacement of the equipment significantly while having a nonsignificant effect on the acceleration and strain of the prefabricated cabin. This study is beneficial for the application of this PEC and its modular substation in earthquake areas. [ABSTRACT FROM AUTHOR]
Copyright of Structural Design of Tall & Special Buildings is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 189935315
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Label: Title
  Group: Ti
  Data: Comparative Study of Seismic Isolated and Non‐Isolated PECs With Bottom Steel Frames Through Shaking Table Tests.
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  Label: Authors
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  Data: <searchLink fieldCode="AR" term="%22Feng%2C+Yulong%22">Feng, Yulong</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Tonglong%22">Wang, Tonglong</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Jiang%2C+Qing%22">Jiang, Qing</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> jiangq@hfut.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Chong%2C+Xun%22">Chong, Xun</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zeng%2C+Tianshu%22">Zeng, Tianshu</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zeng%2C+Zhihao%22">Zeng, Zhihao</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Yu%2C+Fei%22">Yu, Fei</searchLink><relatesTo>1</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Structural+Design+of+Tall+%26+Special+Buildings%22">Structural Design of Tall & Special Buildings</searchLink>. 12/10/2025, Vol. 34 Issue 17, p1-18. 18p.
– Name: Subject
  Label: Subjects
  Group: Su
  Data: <searchLink fieldCode="DE" term="%22Base+isolation+system%22">Base isolation system</searchLink><br /><searchLink fieldCode="DE" term="%22Rubber+bearings%22">Rubber bearings</searchLink><br /><searchLink fieldCode="DE" term="%22Shaking+table+tests%22">Shaking table tests</searchLink><br /><searchLink fieldCode="DE" term="%22Steel+framing%22">Steel framing</searchLink><br /><searchLink fieldCode="DE" term="%22Disaster+resilience%22">Disaster resilience</searchLink><br /><searchLink fieldCode="DE" term="%22Electronic+equipment+enclosures%22">Electronic equipment enclosures</searchLink><br /><searchLink fieldCode="DE" term="%22Electric+substations%22">Electric substations</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: A prefabricated equipment cabin (PEC) with a bottom steel frame is used in actual modular cabin‐type substations for equipment routing and maintenance. In this paper, the installation of lead‐core rubber bearings between the PEC and the frame is proposed to improve the seismic performance and resilience of the PEC. Two structures with bearings and without bearings, that is, a seismic non‐isolated structure and a seismic isolated structure, respectively, were designed and fabricated. Shaking table tests were conducted on the seismic isolated structure with a weak equipment–cabin connection and on two structures with an enhanced equipment–cabin connection in sequence. The test results show that the proposed isolation method can effectively reduce the seismic response of the PEC, including the acceleration and strain of the prefabricated cabin and the acceleration and displacement of the equipment. The proposed enhanced equipment–cabin connection can reduce the acceleration and displacement of the equipment significantly while having a nonsignificant effect on the acceleration and strain of the prefabricated cabin. This study is beneficial for the application of this PEC and its modular substation in earthquake areas. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Structural Design of Tall & Special Buildings is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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    Identifiers:
      – Type: doi
        Value: 10.1002/tal.70097
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 18
        StartPage: 1
    Subjects:
      – SubjectFull: Base isolation system
        Type: general
      – SubjectFull: Rubber bearings
        Type: general
      – SubjectFull: Shaking table tests
        Type: general
      – SubjectFull: Steel framing
        Type: general
      – SubjectFull: Disaster resilience
        Type: general
      – SubjectFull: Electronic equipment enclosures
        Type: general
      – SubjectFull: Electric substations
        Type: general
    Titles:
      – TitleFull: Comparative Study of Seismic Isolated and Non‐Isolated PECs With Bottom Steel Frames Through Shaking Table Tests.
        Type: main
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      – PersonEntity:
          Name:
            NameFull: Feng, Yulong
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            NameFull: Wang, Tonglong
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            NameFull: Jiang, Qing
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            NameFull: Chong, Xun
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            NameFull: Zeng, Tianshu
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            NameFull: Zeng, Zhihao
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            NameFull: Yu, Fei
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              M: 12
              Text: 12/10/2025
              Type: published
              Y: 2025
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              Value: 34
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            – TitleFull: Structural Design of Tall & Special Buildings
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